# Python 列表 可变数据类型
lst1 = list(range(1,11,2))
lst2 = list('helloworld')
lst3 = ['hello','world']

print(lst1)
print(lst3)

print(lst1+lst2)
print(type(lst2[1]))#变成字符型了
print(type(lst2[5]))

print(lst2.count('o'))
print(lst2.index('o'))
